addthis
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A newer kind of web tracking is almost impossible to stop
You may think you're thwarting advertisers and other nosy web citizens by blocking cookies and invoking Do Not Track whenever possible, but that apparently isn't good enough. Researchers have just documented a newer web tracking technique, canvas fingerprinting, that's nearly impossible to stop. As it's simply drawing a unique, hidden image using standard web code, you can't just filter it out using higher privacy settings or ad blocking tools. You can sometimes opt out of personalization and targeted ads by installing a cookie, but you're otherwise out of luck unless software can start identifying and blocking these fingerprints.
Widget Watch: add this - a social bookmarking widget
The add this widget is a lightweight and customizable tool that will help you bookmark every TUAW post websites to some of your favorite social bookmarking and news sites (I think it might also be the smallest widget ever, too). Upon installing, you need to chose a background color and one of three social services (with more on the way): del.icio.us, digg or Shadows. It currently only works with Safari (with more browsers also on the way), but it unfortunately doesn't pass any selected text to the bookmark submission (like many of the available bookmarklets), so I hope that's on the todo list as well.For now, add this shows a lot of promise, and it's probably one of the handiest and out-of-your-way tools for getting your social groove on. Grab it over at DashboardWidgets.
